MERKEL MARK II

Plane & Pilot

Friday, March 13, 2009 at 12:00 AM ET

Verified

Edited By: Omar Filipović

Key Takeaways:

The Mark II is a high-performance, two-seat aerobatic biplane designed with robust G-force limits (+6Gs / -3Gs normal, +9Gs / -4.5Gs ultimate).
First flown in 1973 and designed by Edwin Merkel, it was planned to be produced in both a two-seater trainer and a single-place competition model.
Its construction features a lightweight alloy skin over a welded-steel tube fuselage and wings with a single-spar torsional structure.

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STANDARD DATA: Gross wt. 1,540. Empty wt. 1,200. Fuel capacity 18. Wingspan 25’6″. Length 22’9″. Engine 220-hp Franklin.
PERFORMANCE: Top mph 206. Cruise mph 160. Stall mph 55. Climb rate 2,500. Takeoff run 300. Landing roll 300. Range 250.

This two-seat aerobatic biplane is stressed to a +6Gs and -3Gs limit, and +9Gs to -4.5Gs ultimate. It was first flown in 1973, and its designer, Edwin Merkel, planned to produce the biplane in a two-seater trainer version and a single-place competition model. The Mark II has a lightweight alloy skin on a welded-steel tube fuselage; the wings feature a single-spar torsional structure. Other extras include an anti-servo tab, ground adjustable trim tab, and optional cockpit canopy.